}

// Read a varint, which is 7 bits per byte, little endian.
// the 0x80 bit means read another byte.
func (b *buf) varint() (c uint64, bits uint) {
	for i := 0; i < len(b.data); i++ {
		byte := b.data[i]
		c |= uint64(byte&0x7F) << bits
		bits += 7
		if byte&0x80 == 0 {
			b.off += Offset(i + 1)
			b.data = b.data[i+1:]
			return c, bits
		}
	}
	return 0, 0
}

		r := big.NewInt(1)
		a = append(a, r.Lsh(r, t.bits-1).Sub(r, big.NewInt(1)))
		r = big.NewInt(1)
		a = append(a, r.Lsh(r, t.bits-1).Sub(r, big.NewInt(2)))
		r = big.NewInt(1)
		a = append(a, r.Lsh(r, t.bits-1).Neg(r))
		r = big.NewInt(1)
		a = append(a, r.Lsh(r, t.bits-1).Neg(r).Add(r, big.NewInt(1)))
	} else {
		r := big.NewInt(1)
		a = append(a, r.Lsh(r, t.bits).Sub(r, big.NewInt(1)))
		r = big.NewInt(1)

  static long getSignificand(double d) {
    checkArgument(isFinite(d), "not a normal value");
    int exponent = getExponent(d);
    long bits = doubleToRawLongBits(d);
    bits &= SIGNIFICAND_MASK;
    return (exponent == MIN_EXPONENT - 1) ? bits << 1 : bits | IMPLICIT_BIT;
  }

  static boolean isFinite(double d) {
    return getExponent(d) <= MAX_EXPONENT;
  }

  static boolean isNormal(double d) {

// A FileMode represents a file's mode and permission bits.
// The bits have the same definition on all systems, so that
// information about files can be moved from one system
// to another portably. Not all bits apply to all systems.
// The only required bit is [ModeDir] for directories.
type FileMode = fs.FileMode

// The defined file mode bits are the most significant bits of the [FileMode].

// in a subnet to 1.
// network 192.168.0.0/24 : subnet bits 24 host bits 32 - 24 = 8
// broadcast address 192.168.0.255
func broadcastAddress(subnet netip.Prefix) (netip.Addr, error) {
	base := subnet.Masked().Addr()
	bytes := base.AsSlice()
	// get all the host bits from the subnet
	n := 8*len(bytes) - subnet.Bits()
	// set all the host bits to 1

	t1, t0 := bits.Mul(uint(m), uint(x1))
	_, c := bits.Add(t0, uint(x0), 0)
	t1, _ = bits.Add(t1, uint(x1), c)
	// The quotient is either t1, t1+1, or t1+2.
	// We'll try t1 and adjust if needed.
	qq := t1
	// compute remainder r=x-d*q.
	dq1, dq0 := bits.Mul(d, qq)
	r0, b := bits.Sub(uint(x0), dq0, 0)
	r1, _ := bits.Sub(uint(x1), dq1, b)

			if c >= 1<<bits {
				t.Fatalf("compress(%d, %d) = %d >= 2^bits", a, bits, c)
			}
			got := decompress(c, bits)
			diff := min(a-got, got-a, a-got+q, got-a+q)
			ceil := q / (1 << bits)
			if diff > fieldElement(ceil) {
				t.Fatalf("decompress(compress(%d, %d), %d) = %d (diff %d, max diff %d)",
					a, bits, bits, got, diff, ceil)
			}
		}
	}
}

func CompressRat(x fieldElement, d uint8) uint16 {
	if x >= q {

  public static HashFunction goodFastHash(int minimumBits) {
    int bits = checkPositiveAndMakeMultipleOf32(minimumBits);

    if (bits == 32) {
      return Murmur3_32HashFunction.GOOD_FAST_HASH_32;
    }
    if (bits <= 128) {
      return Murmur3_128HashFunction.GOOD_FAST_HASH_128;
    }

    // Otherwise, join together some 128-bit murmur3s
    int hashFunctionsNeeded = (bits + 127) / 128;

		b |= b >> 4
		b -= b >> 1
		coverageSnapshot[i] = b
	}
}

// diffCoverage returns a set of bits set in snapshot but not in base.
// If there are no new bits set, diffCoverage returns nil.
func diffCoverage(base, snapshot []byte) []byte {
	if len(base) != len(snapshot) {
		panic(fmt.Sprintf("the number of coverage bits changed: before=%d, after=%d", len(base), len(snapshot)))
	}
	found := false
	for i := range snapshot {

package ssa

import (
	"internal/unsafeheader"
	"math/bits"
	"sync"
	"unsafe"
)

var poolFreeValueSlice [27]sync.Pool

func (c *Cache) allocValueSlice(n int) []*Value {
	var s []*Value
	n2 := n
	if n2 < 32 {
		n2 = 32
	}
	b := bits.Len(uint(n2 - 1))
	v := poolFreeValueSlice[b-5].Get()
	if v == nil {
		s = make([]*Value, 1<<b)
	} else {